2-Acetoxytropone

Base Information

• Chemical Name: 2-Acetoxytropone
• CAS No.: 33739-54-7
• Molecular Formula: C9H8O3
• Molecular Weight: 164.161
• Mol file: 33739-54-7.mol

Synonyms:2-Acetoxy-cycloheptatrienon;Tropolone,acetate;2-acetoxy-cycloheptatrienone;o-acetyltropolone;2-Acetoxytropone;Tropolonacetat;7-oxocyclohepta-1,3,5-trien-1-yl acetate;

Chemical Property of 2-Acetoxytropone

Chemical Property:

• Vapor Pressure: 0.000485mmHg at 25°C
• Boiling Point: 313.8°Cat760mmHg
• Flash Point: 140.3°C
• PSA: 43.37000
• Density: 1.17g/cm³
• LogP: 0.97210

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-Acetoxytropone

There total 5 articles about 2-Acetoxytropone which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 31.0%

2-hydroxy-2,4,6-cycloheptatrien-1-one (533-75-5) + acetic anhydride (108-24-7) → O-acetyltropolone (33739-54-7)

Guidance literature:

With sulfuric acid; at 25 ℃; for 4h; Inert atmosphere;

DOI:10.1039/c3cc41191e

Reference yield:

2-hydroxy-2,4,6-cycloheptatrien-1-one (533-75-5) → O-acetyltropolone (33739-54-7)

Guidance literature:

With hydrogenchloride; acetic anhydride; sodium carbonate; In pyridine;

Reference yield:

Cyclohepta-1,3,5-triene (544-25-2) → O-acetyltropolone (33739-54-7)

Guidance literature:

Multi-step reaction with 2 steps

1: KMnO₄; aq.-ethanolic KOH

2: pyridine

With pyridine; potassium hydroxide; potassium permanganate;

DOI:10.1021/ja01146a101

upstream raw materials:

2-hydroxy-2,4,6-cycloheptatrien-1-one

acetic anhydride

3-acetyl-2H-cycloheptafuran-2-one

water

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